TY  - BOOK
AU  - Ryan,Robert E.(Robert Emmett)
AU  - Ryan,Robert E.(Robert Emmett)
TI  - Headache and head pain: diagnosis and treatment 
SN  - 0801642426
PY  - 1978///
CY  - St. Louis, Mo.
PB  - C. V. Mosby
KW  - Headache
KW  - diagnosis
KW  - therapy
N1  - Earlier ed. by R. E. Ryan published under title: Headache, diagnosis and treatment
ER  -